2147131 has 12 divisors (see below), whose sum is σ = 2585520. Its totient is φ = 1775760.

The previous prime is 2147107. The next prime is 2147137. The reversal of 2147131 is 1317412.

It is not a de Polignac number, because 2147131 - 2⁵ = 2147099 is a prime.

It is a super-2 number, since 2×2147131² = 9220343062322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2147099 and 2147108.

It is not an unprimeable number, because it can be changed into a prime (2147137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

2^2147131 is an apocalyptic number.

2147131 is a deficient number, since it is larger than the sum of its proper divisors (438389).

2147131 is a wasteful number, since it uses less digits than its factorization.

2147131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1547 counting only the distinct ones).

The product of its digits is 168, while the sum is 19.

The square root of 2147131 is about 1465.3091823912. The cubic root of 2147131 is about 129.0088530270.

It can be divided in two parts, 2147 and 131, that added together give a triangular number (2278 = T₆₇).

The spelling of 2147131 in words is "two million, one hundred forty-seven thousand, one hundred thirty-one".